"In every package of explosives and in as many of the boxes of canned goods as I had time. There wasn't much opportunity except while the stuff was in the boat-house."
I looked at Kennedy, wild-eyed. Was there treachery in the crew? He was leaning forward as much as our cramped quarters would permit, so as not to miss a word.
"All right," said the other voice. "No one suspects?"
"No. But the Secret Service has been pretty busy. They suspect something—but not this."
"Good. You are sure that you can detonate them when the time comes?"
"Positive. Everything is working fine. I've done my part of it. Changing wireless operators gave me just the chance I wanted."
"All right. I guess I'll go now."
"Remember the signal. As soon as the things are detonated I will get off, some way, by wireless the S O S—as if it came from the fleet, you understand?"
"Yes—that will be the signal for the dash. Good luck—I'm going ashore now."
As they passed up the ladder, I could no longer restrain myself.